
//A.39 lsf.h 
    
   /****************************************************************** 
    
       iLBC Speech Coder ANSI-C Source Code 
    
       lsf.h              
    
       Copyright (c) 2001, 
       Global IP Sound AB. 
       All rights reserved. 
    
   ******************************************************************/ 
    
   #ifndef __iLBC_LSF_H 
   #define __iLBC_LSF_H 
    
   void a2lsf(  
     
       float *freq,/* (o) lsf coefficients */ 
       float *a    /* (i) lpc coefficients */ 
   ); 
    
   void lsf2a(  
       float *a_coef,  /* (o) lpc coefficients */ 
       float *freq     /* (i) lsf coefficients */ 
   ); 
    
   #endif 
    
    
